Engineering, 03.10.2019 02:30 rindragon8231
Acylindrical part is warm upset forged in an open die. the starting work piece is 50 mm in diameter, and 40 mm in hieght. the final height=20mm. coefficent of friction at the die-work interface =0.2. the work material has a flow curve defined by k=600 mpa, and n=0.12. determine the force in the operation at process begins, at intermediate height of 30 mm, and at the final height of 20 mm.
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Slip occurs via two partial dislocations because of (a) the shorter path of the partial dislocation lines; (b) the lower energy state through partial dislocations; (c) the charge balance.
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Acylindrical part is warm upset forged in an open die. the starting work piece is 50 mm in diameter,...
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